To add a flying saucer to Mars Runner, perform the following steps:
1. Add a new class file called
EnemySaucer.csto theMars Runnerproject.2. Add the following
usingdirectives at the beginning of theEnemySaucerclass file:using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Graphics;
3. Modify the declaration of the
EnemySaucerclass to inherit from theGameEntityclass. The new declaration should read as follows:class EnemySaucer : GameEntity
4. Add a constructor for the
EnemySaucerclass as follows:#region Constructor public EnemySaucer(GraphicsDevice device, Model model, Vector3 position) : base(device, model, position) { scale = 0.0025f; yaw = MathHelper.ToRadians(180); } #endregion5. In the
Fieldsregion of theMarsRunnerPlayScreenclass, add a new field for our enemy saucer as follows:EnemySaucer enemy;
6. In the
LoadContent()method of theMarsRunnerPlayScreenclass, initializeenemyas follows:enemy = new EnemySaucer...